Q: Can I bring dietary supplements and protein powders through port security?

A:

Yes, you can bring dietary supplements and protein powders through port security. They are generally permitted. For air travel connecting to your cruise, the TSA allows powders in carry-ons, but quantities over 12 ounces (350ml) require separate X-ray screening. Always check current rules with your cruise line and departure port.

Security scanners see powders as dense, uniform substances that can obscure other items, much like mineral deposits in a water pipe hide corrosion. The screening ensures no contaminants or threats are hidden within, analogous to inspecting a pipe's interior for integrity before it fails.

Use original, sealed containers for all supplements. Transfer protein powders into clear, resealable bags and pack them at the top of your carry-on for easy removal. This minimizes handling and speeds up the inspection, similar to having clean access points for valve maintenance.